/Engine/Source/Editor/Experimental/EditorInteractiveToolsFramework/Public/EditorInteractiveToolsFrameworkModule.h
This is the key returned by AddComponentTargetFactory() for theFStaticMeshComponentTargetFactorycreated/registered in StartupModule() below. Use this key to find/remove that module registration if you need to.
static int32 RegisteredStaticMeshTargetFactoryKey = -1;